section something off
phrasal verb with section verb [ T ] UK uk/ˈsek.ʃən/ us/ˈsek.ʃən/
隔离(某一区域)
to separate one part of an area from the rest of the area
Security agents sectioned off the area where she shopped. 保安人员将她需要的购物区域隔离起来。
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